Home / 86,944.96-119,982.24-47,200.96

Finding the Fourth Proportional to 86,944.96, 119,982.24 and 47,200.96

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Solution

The fourth proportional to 86,944.96, 119,982.24 and 47,200.96 is: 65,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,944.96 : 119,982.24 = 47,200.96 : x
  2. Step 2: Convert to fraction form
    86,944.96/119,982.24 = 47,200.96/x
  3. Step 3: Cross multiply
    86,944.96x = 119,982.24 × 47,200.96
  4. Step 4: Simplify right side
    86,944.96x = 5,663,276,910.95
  5. Step 5: Solve for x
    x = 5,663,276,910.95/86,944.96
  6. Step 6: Final answer
    x = 65,136.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.